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Unit:mm

Hexagon Head Bolts - Finished (Attached Table 1.1)

JIS B 1180 (AAT1.1) - 2004

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日标JIS B1180 (AAT1.1) - 2004 JIS1180 1180 Hexagon Head Bolts - Finished (Attached Table 1.1)
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
M3 (M3.5) M4 M5 M6 (M7) M8 M10 M12 (M14) M16 (M18) M20 (M22)
P Pitch coarse thread
Pitch Fine thread
ds max
min
k Nominal Size
min
min
s max
min
e ≈
D ≈
r min
da max
z ≈
c ≈
0.5 0.6 0.7 0.8 1 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5
/ / / / / / 1 1.25 1.25 1.5 1.5 1.5 1.5 1.5
3 3.5 4 5 6 7 8 10 12 14 16 18 20 22
2.9 3.4 3.9 4.9 5.9 6.85 7.85 9.85 11.8 13.8 15.8 17.8 19.8 21.8
2 2.4 2.8 3.5 4 5 5.5 7 8 9 10 12 13 14
2.1 2.5 2.9 3.65 4.15 5.15 5.65 7.2 8.2 9.2 10.2 12.2 13.2 14.2
1.9 2.3 2.7 3.35 3.85 4.85 5.35 6.8 7.8 8.8 9.8 11.8 12.8 13.8
5.5 6 7 8 10 11 13 17 19 22 24 27 30 32
5.3 5.8 6.8 7.8 9.8 10.75 12.75 16.75 18.65 21.65 23.65 26.65 29.65 31.6
6.4 6.9 8.1 9.2 11.5 12.7 15 19.6 21.9 25.4 27.7 31.2 34.6 37
5.3 5.8 6.8 7.8 9.8 10.7 12.6 16.5 18 21 23 26 29 31
0.1 0.1 0.2 0.2 0.25 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8
3.6 4.1 4.7 5.7 6.8 7.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4 24.4
0.6 0.6 0.8 0.9 1 1 1.2 1.5 2 2 2 2.5 2.5 2.5
/ / / 0.4 0.4 0.4 0.4 0.4 0.6 0.6 0.6 0.6 0.6 0.6
Length of Thread b
- - - - - - - - - - - - - -
Screw Thread
d
M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch coarse thread
Pitch Fine thread
ds max
min
k Nominal Size
min
min
s max
min
e ≈
D ≈
r min
da max
z ≈
c ≈
3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
2 2 2 2 3 3 / / / / / / /
24 27 30 33 36 39 42 45 48 52 56 60 64
23.8 26.8 29.8 32.75 35.75 38.75 41.75 44.75 47.75 51.7 55.7 59.7 63.7
15 17 19 21 23 25 26 28 30 33 35 38 40
15.2 17.2 19.25 21.25 23.25 25.25 26.25 28.25 30.25 33.3 35.3 38.3 40.3
14.8 16.8 18.75 20.75 22.75 24.75 25.75 27.75 29.75 32.7 34.7 37.7 39.7
36 41 46 50 55 60 65 70 75 80 85 90 95
35.6 40.6 45.6 49.6 54.55 59.55 64.55 69.55 74.55 79.55 84.45 89.45 94.45
41.6 47.3 53.1 57.7 63.5 69.3 75 80.8 86.5 92.4 98.1 104 110
34 39 44 48 53 57 62 67 72 77 82 87 92
0.8 1 1 1 1 1 1.2 1.2 1.6 1.6 2 2 2
26.4 30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6 63 67 71
3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
0.6 / / / / / / / / / / / /
Length of Thread b
- - - - - - - - - - - - -
①,b + x ≥ L: full thread, x=2P.

Alternative history

JIS B 1180AAT1.1 - 1994 JIS B 1180AAT1.1 - 2004
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